彩灯变换控制器，控制8个LED进行花样性显示。设计4种显示模式：s0，从左到右逐个点亮LED；s1，从右到左逐个点亮LED；s2，从两边到中间逐个点亮LED；s3，从中见到两边逐个点亮LED。-Lantern transform controller, control the pattern of 8 LED display. Design 4 display modes: s0, from left to right by-light LED s1, from right to left o